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– "Operational" on receiving the "Start Remote Node" NMT indication�
To set a node to pre-operational mode, the master must send the following
message
Identifier
Byte 0
Byte 1
Meaning
0h
80h
00
NMT PreOp, all nodes
0h
80h
NN
NMT PreOp, NN
NN: node number
6.1.2 Operational Mode
The device goes into the "Operational" state if it was in the "Pre-Operational"
state on receiving the "Start Remote Node" indication� If the CANopen network
is started using the "Node Start" NMT services in "Operational" state, all device
functionalities can be used� Communication can use PDOs or SDOs�
Note:
Modifications to the configuration in "Operational" mode may have
unexpected consequences and should therefore only be made in "Pre-
Operational" mode�
To set one or all nodes in "Operational" mode, the master has to send the following
message
Identifier
Byte 0
Byte 1
Meaning
0h
01h
00
NMT start, all nodes
0h
01h
NN (in hex)
NMT start, NN
NN: node number
6.1.3 Stopped mode
The device goes into the "Stopped" mode on receiving the "Node Stop" indication
(NMT service) if it was in "Pre-Operational" or "Operational" mode� In this mode,
the device cannot be configured� No service is available to read and write device-
related data (SDO)� Only the slave monitoring function "Node Guarding" remains
active�
To put one or all nodes in the "Stopped" mode, the master has to send the
following message
Identifier
Byte 0
Byte 1
Meaning
0h
02h
00
NMT-Stop, all nodes
0h
02h
NN (in hex)
NMT stop, NN
NN: node number
Содержание JD
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